At least 32,000 servers broadcast admin passwords in the clear, advisory warns

    Date22 Jun 2014
    CategoryHacks/Cracks
    4655
    Posted ByDave Wreski
    An alarming number of servers containing motherboards manufactured by Supermicro continue to expose administrator passwords despite the release of an update that patches the critical vulnerability, an advisory published Thursday warned. The threat resides in the baseboard management controller (BMC), a motherboard component that allows administrators to monitor the physical status of large fleets of servers, including their temperatures, disk and memory performance, and fan speeds. Unpatched BMCs in Supermicro motherboards contain a binary file that stores remote login passwords in clear text. Vulnerable systems can be detected by performing an Internet scan on port 49152. A recent query on the Shodan search engine indicated there are 31,964 machines still vulnerable, a number that may not include many virtual machines used in shared hosting environments.
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